MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b38e3c4f1f6ef163426fe9b806a426b8afff5bfba414a3109d609a859dacf3b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b38e3c4f1f6ef163426fe9b806a426b8afff5bfba414a3109d609a859dacf3b
SHA3-384 hash: 266d12102c97afbd0e5da54a3f3ecbc07cc10f7f964723c3e3c3566e40efdabaade303adf8029431d462804b5ac7857b
SHA1 hash: 5f04c39ceef5e86d1867092d8c08c983f4d787ad
MD5 hash: 092a9c604129484de0ce5f2fb3c450d1
humanhash: oxygen-purple-salami-arkansas
File name:ServiceHub.bin
Download: download sample
Signature Formbook
Create hunting rule
File size:551'936 bytes
First seen:2023-07-24 11:59:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mQIHcPTI6djx8bmtfrA3+As/I9/3MCjf:A8rIOabwTkoAUo
Threatray 3'308 similar samples on MalwareBazaar
TLSH T1E0C4B0697B56CD11C2C80F7BC0CB695987F04D496467FB0DB9C423C249077AAEA4EB8B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10b1e4c4c4e060a0 (1 x Formbook)
Reporter JAMESWT_WT
Tags:exe FormBook saudi aramco

Intelligence

File Origin
# of uploads :
1
# of downloads :
310
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PROJECT- SAUDI ARAMCO DRAWING AND SPECS.vbs
Verdict:
Suspicious activity
Analysis date:
2023-07-24 07:05:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0598f92d-32e3-476d-9969-7007be80526c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/430669/
Detection(s):
SecuriteInfo.com.Trojan.TR.Dropper.Gen7.12722.6327.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4b38e3c4f1f6ef163426fe9b806a426b8afff5bfba414a3109d609a859dacf3b
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c360e1c7-b060-402c-a645-c9dddc71e196
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1278277
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the document folder of the user
Drops PE files with a suspicious file extension
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1278277 Sample: ServiceHub.bin.exe Startdate: 24/07/2023 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 4 other signatures 2->56 9 ServiceHub.bin.exe 6 2->9         started        13 ServiceHub.bin.pif 2 2->13         started        process3 file4 38 C:\Users\user\Documents\ServiceHub.bin.pif, PE32 9->38 dropped 40 C:\...\ServiceHub.bin.pif:Zone.Identifier, ASCII 9->40 dropped 42 C:\Users\user\...\ServiceHub.bin.exe.log, ASCII 9->42 dropped 68 Drops PE files to the document folder of the user 9->68 70 Drops PE files with a suspicious file extension 9->70 15 ServiceHub.bin.exe 9->15         started        18 cmd.exe 1 9->18         started        20 ServiceHub.bin.pif 13->20         started        signatures5 process6 signatures7 80 Maps a DLL or memory area into another process 15->80 82 Sample uses process hollowing technique 15->82 84 Queues an APC in another process (thread injection) 15->84 22 ServiceHub.bin.pif 3 15->22         started        25 conhost.exe 18->25         started        27 reg.exe 1 1 18->27         started        process8 signatures9 60 Antivirus detection for dropped file 22->60 62 Multi AV Scanner detection for dropped file 22->62 64 Machine Learning detection for dropped file 22->64 66 Uses ipconfig to lookup or modify the Windows network settings 22->66 29 ipconfig.exe 13 22->29         started        32 ServiceHub.bin.pif 22->32         started        process10 signatures11 72 Tries to steal Mail credentials (via file / registry access) 29->72 74 Tries to harvest and steal browser information (history, passwords, etc) 29->74 76 Modifies the context of a thread in another process (thread injection) 29->76 78 Maps a DLL or memory area into another process 29->78 34 explorer.exe 1 1 29->34 injected process12 dnsIp13 44 www.blackhawkstickets.com 91.195.240.68, 49702, 80 SEDO-ASDE Germany 34->44 46 www.moqainc.com 156.237.252.50, 49703, 49704, 49705 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 34->46 48 www.u1uc86.shop 8.217.57.91, 49707, 49708, 49709 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 34->48 58 System process connects to network (likely due to code injection or exploit) 34->58 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b38e3c4f1f6ef163426fe9b806a426b8afff5bfba414a3109d609a859dacf3b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-24 11:58:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jm4ohrhr63xrmnbg72nya2scnofp75n7xjauumij2ye2qwo2z45q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19427b9f9fffb7a1518d34f453ea37aefc298b157c8f15a4f1ddd8ca0df00eda
Formbook
2ac28f2913c6e2d231d0b67b49a3491f4046221a42ca349f586e0532ac257575
Formbook
3bfaaf7436f93dff822a8c0f81f2e805f1c6855da29e1ee3ddd6d18c04744ae8
Formbook
4053220e58d30e514ab543a64e3854e7c411bfa084c000172cdfe6d3e8f65875
Formbook
5069d4603ed9201d98988deb46e1e5627d622f47a498b3decb96ae1b02da3496
Formbook
5edb99afba36f3aa19c0b065b263b65e27d37d588c5441d5f9518e8423480344
Formbook
7c397e8792e6dbc64b6d5fd80a2ed4d82e76c1e0e9d7a262f089e1c1e8c438df
Formbook
99cd4e51fb0f2d9ba76ee4d12afd5c3cd096f0c390ecf657ea3a3d78158451ef
Formbook
c1e64e86dd89a5820bbb518ead2176741f91d3bf5c579e154533d44e816c1f76
Formbook
+ 3'298 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230724-n6a4cacg94/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Unpacked files
SH256 hash:
b5ab03c618681d10782623345ffbcf1a46afdafadd4275f71084d87eb5b04076
MD5 hash:
1a05951f03943a6ae51aa5fe57f3dcb8
SHA1 hash:
a654bad1d1a7dc366d96b2ca85722f7d84d81b70
Detections:
XLoader
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
SH256 hash:
45cee7afdf0f3fa9601ee4ff1046c5a652a9c2d3fa512b4379d645537101a0f6
MD5 hash:
bba423ab9cd328cb258b0c2c6eb112d2
SHA1 hash:
d03842d633d16622327166b0a8cf714b1a4dbeb1
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
SH256 hash:
fea61d9ce9e03dbbdc975dc7931b695e4f5549724543fc441daa7f54853cacd3
MD5 hash:
0630f9e609ff0445191acb2eec196d3f
SHA1 hash:
fdc6c48f5ca58bb898799d3a320d20570a85507a
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
SH256 hash:
db449e151e712443ba4e6ca6dd2b1a8da2b6877126377fdbbb2b7fb4653dca0d
MD5 hash:
639bc5ee2073fad36f2f548146bd65e2
SHA1 hash:
c6770f7138ce8f4fb6c847d753ef2ad1921c2a81
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
SH256 hash:
336ae702671349d3c9b7bed87cb794f1b0d1cd6a4c29268e69d61a245be59ddc
MD5 hash:
a51634dc8f4af232b6a0542850652ad7
SHA1 hash:
3e0095f9a7db930bcb45e7f6ca95d477cdef46df
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
SH256 hash:
58eb6f748f460c432d1a03a821d195e6097412f14a127abf0b7499bfa8cb2bfb
MD5 hash:
4d8f8262fd91067b85a25e9ca7c49a57
SHA1 hash:
29cdd21746bad192e74713b79daa50d622e034be
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
SH256 hash:
4b38e3c4f1f6ef163426fe9b806a426b8afff5bfba414a3109d609a859dacf3b
MD5 hash:
092a9c604129484de0ce5f2fb3c450d1
SHA1 hash:
5f04c39ceef5e86d1867092d8c08c983f4d787ad
Link:
https://www.unpac.me/results/ba8dd58b-000e-4daa-a344-1dbd66627b9f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b38e3c4f1f6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b38e3c4f1f6ef163426fe9b806a426b8afff5bfba414a3109d609a859dacf3b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/430669/

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